SECURITY: acct keyIds still bypass actor/public-key binding checks#327
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pmusaraj merged 1 commit intoJul 10, 2026
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janzenisaac
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Jul 10, 2026
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Summary
Correctly validate acct: HTTP Signature keyIds by resolving them via WebFinger and enforcing actor-to-public-key binding checks. This prevents remote actors from being associated with unauthorized public keys during ActivityPub signature verification.
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Co-authored-by: discourse-patch-triage <272280883+discourse-patch-triage[bot]@users.noreply.github.com>